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Diffstat (limited to 'include/sound/soc-component.h')
| -rw-r--r-- | include/sound/soc-component.h | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h new file mode 100644 index 000000000000..5d80b2eef525 --- /dev/null +++ b/include/sound/soc-component.h @@ -0,0 +1,387 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * soc-component.h + * + * Copyright (c) 2019 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __SOC_COMPONENT_H +#define __SOC_COMPONENT_H + +#include <sound/soc.h> + +/* + * Component probe and remove ordering levels for components with runtime + * dependencies. + */ +#define SND_SOC_COMP_ORDER_FIRST -2 +#define SND_SOC_COMP_ORDER_EARLY -1 +#define SND_SOC_COMP_ORDER_NORMAL 0 +#define SND_SOC_COMP_ORDER_LATE 1 +#define SND_SOC_COMP_ORDER_LAST 2 + +#define for_each_comp_order(order) \ + for (order = SND_SOC_COMP_ORDER_FIRST; \ + order <= SND_SOC_COMP_ORDER_LAST; \ + order++) + +/* component interface */ +struct snd_soc_component_driver { + const char *name; + + /* Default control and setup, added after probe() is run */ + const struct snd_kcontrol_new *controls; + unsigned int num_controls; + const struct snd_soc_dapm_widget *dapm_widgets; + unsigned int num_dapm_widgets; + const struct snd_soc_dapm_route *dapm_routes; + unsigned int num_dapm_routes; + + int (*probe)(struct snd_soc_component *component); + void (*remove)(struct snd_soc_component *component); + int (*suspend)(struct snd_soc_component *component); + int (*resume)(struct snd_soc_component *component); + + unsigned int (*read)(struct snd_soc_component *component, + unsigned int reg); + int (*write)(struct snd_soc_component *component, + unsigned int reg, unsigned int val); + + /* pcm creation and destruction */ + int (*pcm_new)(struct snd_soc_pcm_runtime *rtd); + void (*pcm_free)(struct snd_pcm *pcm); + + /* component wide operations */ + int (*set_sysclk)(struct snd_soc_component *component, + int clk_id, int source, unsigned int freq, int dir); + int (*set_pll)(struct snd_soc_component *component, int pll_id, + int source, unsigned int freq_in, unsigned int freq_out); + int (*set_jack)(struct snd_soc_component *component, + struct snd_soc_jack *jack, void *data); + + /* DT */ + int (*of_xlate_dai_name)(struct snd_soc_component *component, + struct of_phandle_args *args, + const char **dai_name); + int (*of_xlate_dai_id)(struct snd_soc_component *comment, + struct device_node *endpoint); + void (*seq_notifier)(struct snd_soc_component *component, + enum snd_soc_dapm_type type, int subseq); + int (*stream_event)(struct snd_soc_component *component, int event); + int (*set_bias_level)(struct snd_soc_component *component, + enum snd_soc_bias_level level); + + const struct snd_pcm_ops *ops; + const struct snd_compr_ops *compr_ops; + + /* probe ordering - for components with runtime dependencies */ + int probe_order; + int remove_order; + + /* + * signal if the module handling the component should not be removed + * if a pcm is open. Setting this would prevent the module + * refcount being incremented in probe() but allow it be incremented + * when a pcm is opened and decremented when it is closed. + */ + unsigned int module_get_upon_open:1; + + /* bits */ + unsigned int idle_bias_on:1; + unsigned int suspend_bias_off:1; + unsigned int use_pmdown_time:1; /* care pmdown_time at stop */ + unsigned int endianness:1; + unsigned int non_legacy_dai_naming:1; + + /* this component uses topology and ignore machine driver FEs */ + const char *ignore_machine; + const char *topology_name_prefix; + int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params); + bool use_dai_pcm_id; /* use DAI link PCM ID as PCM device number */ + int be_pcm_base; /* base device ID for all BE PCMs */ +}; + +struct snd_soc_component { + const char *name; + int id; + const char *name_prefix; + struct device *dev; + struct snd_soc_card *card; + + unsigned int active; + + unsigned int suspended:1; /* is in suspend PM state */ + + struct list_head list; + struct list_head card_aux_list; /* for auxiliary bound components */ + struct list_head card_list; + + const struct snd_soc_component_driver *driver; + + struct list_head dai_list; + int num_dai; + + struct regmap *regmap; + int val_bytes; + + struct mutex io_mutex; + + /* attached dynamic objects */ + struct list_head dobj_list; + + /* + * DO NOT use any of the fields below in drivers, they are temporary and + * are going to be removed again soon. If you use them in driver code + * the driver will be marked as BROKEN when these fields are removed. + */ + + /* Don't use these, use snd_soc_component_get_dapm() */ + struct snd_soc_dapm_context dapm; + + /* machine specific init */ + int (*init)(struct snd_soc_component *component); + +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_root; + const char *debugfs_prefix; +#endif +}; + +#define for_each_component_dais(component, dai)\ + list_for_each_entry(dai, &(component)->dai_list, list) +#define for_each_component_dais_safe(component, dai, _dai)\ + list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list) + +/** + * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is + * embedded in + * @dapm: The DAPM context to cast to the component + * + * This function must only be used on DAPM contexts that are known to be part of + * a component (e.g. in a component driver). Otherwise the behavior is + * undefined. + */ +static inline struct snd_soc_component *snd_soc_dapm_to_component( + struct snd_soc_dapm_context *dapm) +{ + return container_of(dapm, struct snd_soc_component, dapm); +} + +/** + * snd_soc_component_get_dapm() - Returns the DAPM context associated with a + * component + * @component: The component for which to get the DAPM context + */ +static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( + struct snd_soc_component *component) +{ + return &component->dapm; +} + +/** + * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level + * @component: The COMPONENT for which to initialize the DAPM bias level + * @level: The DAPM level to initialize to + * + * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level() + */ +static inline void +snd_soc_component_init_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + snd_soc_dapm_init_bias_level( + snd_soc_component_get_dapm(component), level); +} + +/** + * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level + * @component: The COMPONENT for which to get the DAPM bias level + * + * Returns: The current DAPM bias level of the COMPONENT. + */ +static inline enum snd_soc_bias_level +snd_soc_component_get_bias_level(struct snd_soc_component *component) +{ + return snd_soc_dapm_get_bias_level( + snd_soc_component_get_dapm(component)); +} + +/** + * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level + * @component: The COMPONENT for which to set the level + * @level: The level to set to + * + * Forces the COMPONENT bias level to a specific state. See + * snd_soc_dapm_force_bias_level(). + */ +static inline int +snd_soc_component_force_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + return snd_soc_dapm_force_bias_level( + snd_soc_component_get_dapm(component), + level); +} + +/** + * snd_soc_dapm_kcontrol_component() - Returns the component associated to a + * kcontrol + * @kcontrol: The kcontrol + * + * This function must only be used on DAPM contexts that are known to be part of + * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined + */ +static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component( + struct snd_kcontrol *kcontrol) +{ + return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol)); +} + +/** + * snd_soc_component_cache_sync() - Sync the register cache with the hardware + * @component: COMPONENT to sync + * + * Note: This function will call regcache_sync() + */ +static inline int snd_soc_component_cache_sync( + struct snd_soc_component *component) +{ + return regcache_sync(component->regmap); +} + +/* component IO */ +int snd_soc_component_read(struct snd_soc_component *component, + unsigned int reg, unsigned int *val); +unsigned int snd_soc_component_read32(struct snd_soc_component *component, + unsigned int reg); +int snd_soc_component_write(struct snd_soc_component *component, + unsigned int reg, unsigned int val); +int snd_soc_component_update_bits(struct snd_soc_component *component, + unsigned int reg, unsigned int mask, + unsigned int val); +int snd_soc_component_update_bits_async(struct snd_soc_component *component, + unsigned int reg, unsigned int mask, + unsigned int val); +void snd_soc_component_async_complete(struct snd_soc_component *component); +int snd_soc_component_test_bits(struct snd_soc_component *component, + unsigned int reg, unsigned int mask, + unsigned int value); + +/* component wide operations */ +int snd_soc_component_set_sysclk(struct snd_soc_component *component, + int clk_id, int source, + unsigned int freq, int dir); +int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id, + int source, unsigned int freq_in, + unsigned int freq_out); +int snd_soc_component_set_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack, void *data); + +void snd_soc_component_seq_notifier(struct snd_soc_component *component, + enum snd_soc_dapm_type type, int subseq); +int snd_soc_component_stream_event(struct snd_soc_component *component, + int event); +int snd_soc_component_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level); + +#ifdef CONFIG_REGMAP +void snd_soc_component_init_regmap(struct snd_soc_component *component, + struct regmap *regmap); +void snd_soc_component_exit_regmap(struct snd_soc_component *component); +#endif + +#define snd_soc_component_module_get_when_probe(component)\ + snd_soc_component_module_get(component, 0) +#define snd_soc_component_module_get_when_open(component) \ + snd_soc_component_module_get(component, 1) +int snd_soc_component_module_get(struct snd_soc_component *component, + int upon_open); +#define snd_soc_component_module_put_when_remove(component) \ + snd_soc_component_module_put(component, 0) +#define snd_soc_component_module_put_when_close(component) \ + snd_soc_component_module_put(component, 1) +void snd_soc_component_module_put(struct snd_soc_component *component, + int upon_open); + +static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c, + void *data) +{ + dev_set_drvdata(c->dev, data); +} + +static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c) +{ + return dev_get_drvdata(c->dev); +} + +static inline bool snd_soc_component_is_active( + struct snd_soc_component *component) +{ + return component->active != 0; +} + +/* component pin */ +int snd_soc_component_enable_pin(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_disable_pin(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_nc_pin(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_get_pin_status(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_force_enable_pin(struct snd_soc_component *component, + const char *pin); +int snd_soc_component_force_enable_pin_unlocked( + struct snd_soc_component *component, + const char *pin); + +/* component driver ops */ +int snd_soc_component_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int snd_soc_component_close(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int snd_soc_component_prepare(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int snd_soc_component_hw_params(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params); +int snd_soc_component_hw_free(struct snd_soc_component *component, + struct snd_pcm_substream *substream); +int snd_soc_component_trigger(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + int cmd); +void snd_soc_component_suspend(struct snd_soc_component *component); +void snd_soc_component_resume(struct snd_soc_component *component); +int snd_soc_component_is_suspended(struct snd_soc_component *component); +int snd_soc_component_probe(struct snd_soc_component *component); +void snd_soc_component_remove(struct snd_soc_component *component); +int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component, + struct device_node *ep); +int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component, + struct of_phandle_args *args, + const char **dai_name); + +int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream); +int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream, + unsigned int cmd, void *arg); +int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *buf, unsigned long bytes); +struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream, + unsigned long offset); +int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream, + struct vm_area_struct *vma); +int snd_soc_pcm_component_new(struct snd_pcm *pcm); +void snd_soc_pcm_component_free(struct snd_pcm *pcm); + +#endif /* __SOC_COMPONENT_H */ |